ScatterD3

scatterD3 is an HTML R widget for interactive scatter plots visualization. It is based on the htmlwidgets R package and on the d3.js javascript library.

Features

Here is a small preview of what you will get :

The visual guide gives a list of features and examples.

Installation

Install from CRAN :

install.packages("scatterD3")

Or from Github for the latest development version :

remotes::install_github("juba/scatterD3")

Usage

Quick example of the scatterD3 function based on the mtcars dataset :

mtcars$names <- rownames(mtcars)
scatterD3(data = mtcars, x = wt, y = mpg, lab = names,
          col_var = cyl, symbol_var = am,
          xlab = "Weight", ylab = "Mpg", col_lab = "Cylinders",
          symbol_lab = "Manual transmission")

See the visual guide for a step-by-step guide and details about the different function arguments.

scatterD3 provides a built-in SVG export of the current widget view. As an HTML widget, you can also include it in an Rmarkdown HTML document while keeping its interactive features.

Shiny integration

Like every R HTML widget, shiny integration is straightforward. But as a D3 widget, scatterD3 is updatable : changes in settings or data can be displayed via smooth transitions instead of a complete chart redraw, which can provide interesting visual clues.

Furthermore, scatterD3 provides some additional handlers and callback hooks for a more complete JavaScript interactivity and integration.

You can check the sample scatterD3 shiny app and the visual guide for a better understanding of the different arguments.

Development notes

This package uses packer to manage JavaScript source code and dependencies. If you want to modify it, you'll need a working installation of Node.js.

After cloning this repository, run the following in a terminal at the project root :

npm install --production=false

Then, if you modify the JavaScript code in srcjs, you'll have to run the following command to bundle and update the widget JavaScript code :

packer::bundle_dev()

If you want to ship a minimized production version, use :

packer::bundle_prod()

Credits

This package has been made possible by :

• Mike Bostock's incredible d3.js library and documentation
• htmlwidgets packages
• John Coene's packer package
• Susie Lu's d3-legend module
• Rob Moore's article on reusable d3.js charts
• Speros Kokenes' d3 lasso plugin
• Evan Wang's d3-labeler plugin